Learning Intentions• To understand what cells are and their function.•To be able to state the differences between animal and plant cells• To be able to label an animal and plant cell

Success Criteria• I understand what cells are and their function.•I can state the differences between animal and plant cells• I can label an animal and plant cell

What is a cell?

A cell is the very smallest unit of living matter.

All living things, including plants and animals, are made up of cells.

What is a cell?What is a cell?

Remember – All Living ThingsRemember – All Living Things

• Require energy and nutrition, including water

• Need to remove wastes

• Exchange gases

• Respond to their environments

• Grow and develop as they get older

• Reproduce

• Are made up of cells

What is a cell?

There are many different kinds of cells, doing many different jobs in a plant or animal.

What is a cell?What is a cell?

Animal and plant cellsAnimal and Plant CellsAnimal and Plant Cells

Cell membrane

The cell membrane is found in ALL cells. It surrounds the cell and holds it together. It controls what chemicals can enter and leave the cell.

Cell MembraneWrite this in your bookCell Membrane

Write this in your book

NucleusThe nucleus is found in ALL cells. It is the control center of the cell. Inside the nucleus is DNA which contains genetic information.

NucleusWrite this in your book

NucleusWrite this in your book

CytoplasmAll cells contain cytoplasm. Cytoplasm is a jelly-like mixture of chemicals where most of the work of the cell takes place

CytoplasmWrite this in your book

CytoplasmWrite this in your book

Plant cell partsPlant cells may contain some extra parts.

Parts of a Plant CellParts of a Plant Cell

Chloroplasts (plant cells)

Chloroplasts are disc shaped and contain chlorophyll for photosynthesis.

ChloroplastsWrite this in your book

ChloroplastsWrite this in your book

Cell wall (plant cells)

The cell wall is a strong outer layer to support the cell and give it shape.

Cell WallWrite this is your book

Cell WallWrite this is your book

Vacuole (plant cells)

The vacuole is where the plant cell stores sap (the food that it has made; a mixture of sugars, salts and water).

VacuoleWrite this is your book

VacuoleWrite this is your book

Cytoplasm

Complete the worksheets on animal

and plant cells.

Check your Learning!Check your Learning!

Scales used to measure cells

1 metre= 100 cm

= 1000 mm

= 10,000 um (micrometres)

= 100,000 nm (nanometres)

Animation: http://www.cellsalive.com/howbig.htm

Hair

Dust Mite

Pollen

White Blood Cell

Red Blood Cell

Yeast

Bacteria

Virus